// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

// 云函数入口函数
exports.main = async (event, context) => {
      const wxContext = cloud.getWXContext()    
      const openID=wxContext.OPENID    
      const classify=event.classify
      const renamedClassify=event.renamedClassify
      const db=cloud.database()
        await db.collection('toDo')
        .where({
          _openid:openID,
          classify:classify
        }).update({        
          data:{            
            classify:renamedClassify
      }    
})}